<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      color: red;
    }
    #name{

      color: blue;
    }
    .cls{
      color: pink;
    }
  </style>
</head>
<body>
<div id="name">hello css</div>
<div class="cls">hello css</div>
<div class="cls">hello css</div>
<span class="cls">
  hello java
</span>
</body>
</html>